Can't afford to go out with friends? How to have a social life

Friendship - Wikipedia

An Adult's Guide to Social Skills, for Those Who Were Never Taught - The New York Times

What Parents Need to Know About Cliques

GO OUT - 雑誌

How to Make Friends as an Introvert - The New York Times

Can Parents and Childless People Be Friends?

Have no Friends? Reasons why and What to Do

How to Have Closer Friendships (and Why You Need Them) - The New York Times

Why You May Feel Like You Do Not Have Friends

GO OUT - 雑誌

Making Good Friends

GO OUT - 雑誌

3 Ways to Accept That You Don't Make Friends Easily - wikiHow

Here Are 12 Ways to Make Friends as an Adult - GoodRx